test(domains): cover material cache trait branches

2026-08-06 04:21:33 +00:00 · 2026-05-09 18:38:27 +03:00
parent 6ccb725409
commit 62a05646a0
1 changed files with 56 additions and 0 deletions
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+# SPDX-FileCopyrightText: 2015-2026 Jukka Aho
+# SPDX-License-Identifier: MIT
+
+using Test
+using JuliaFEM
+using Tensors
+
+@testset "update_material_cache! behavior branches" begin
+    mesh = create_test_mesh()
+    N = 8
+    NIP = 8
+    geometry_cache = JuliaFEM.create_geometry_cache(N, NIP)
+    elem_id = 1
+    Δt = 0.0
+
+    @testset "StatelessStrainDependent (NeoHookean)" begin
+        mat = NeoHookean(E_mod=210e9, nu=0.3)
+        kernel = ContinuumKernel(ContinuumFormulation{FullThreeD}(), mat)
+        element_cache = JuliaFEM.create_element_cache(mesh, kernel)
+        material_cache = JuliaFEM.create_material_cache(mat, NIP)
+        global_cache = JuliaFEM.create_global_material_cache(mat; n_ips=NIP, n_elems=1)
+
+        ug = [zero(Vec{3,Float64}) for _ in 1:nnodes_total(mesh)]
+        ug[2] = Vec((0.05, 0.0, 0.0))
+
+        JuliaFEM.update_geometry_cache!(geometry_cache, element_cache, elem_id, mesh)
+        JuliaFEM.update_element_cache!(element_cache, kernel, elem_id, mesh, ug)
+        JuliaFEM.update_material_cache!(
+            material_cache, geometry_cache, mat, element_cache, global_cache, elem_id, Δt,
+        )
+
+        σ = JuliaFEM.get_stress(material_cache, 1)
+        @test norm(σ) > 1.0
+    end
+
+    @testset "StatefulStrainDependent (PerfectPlasticity)" begin
+        mat = PerfectPlasticity(; E=210e9, ν=0.3, σ_y=200e6, H=0.0)
+        kernel = ContinuumKernel(ContinuumFormulation{FullThreeD}(), mat)
+        element_cache = JuliaFEM.create_element_cache(mesh, kernel)
+        material_cache = JuliaFEM.create_material_cache(mat, NIP)
+        global_cache = JuliaFEM.create_global_material_cache(mat; n_ips=NIP, n_elems=1)
+
+        ug = [zero(Vec{3,Float64}) for _ in 1:nnodes_total(mesh)]
+        ug[1] = Vec((0.0, 0.0, 0.0))
+        ug[2] = Vec((0.002, 0.0, 0.0))
+
+        JuliaFEM.update_geometry_cache!(geometry_cache, element_cache, elem_id, mesh)
+        JuliaFEM.update_element_cache!(element_cache, kernel, elem_id, mesh, ug)
+        JuliaFEM.update_material_cache!(
+            material_cache, geometry_cache, mat, element_cache, global_cache, elem_id, Δt,
+        )
+
+        σ = JuliaFEM.get_stress(material_cache, 1)
+        @test σ isa SymmetricTensor{2,3,Float64}
+    end
+end